The deputy head of Iran’s Revolutionary Guards has warned US and Israel of a “devastating” response, accusing them of involvement in a terror attack on a military parade in Ahvaz that killed 25 people.

At least a dozen members of the elite Revolutionary Guards were among the dead. While it’s not immediately clear how Iran will respond to Saturday’s deadly attack, there is a greater chance of it using its proxies in other parts of the region such as Syria and Yemen. However, the danger of escalation in the tinderbox that is the Middle East is real.